Customer complaint analysis
Record details of the problem (failure, complaint) and how it occurred as described by the customer. For this purpose, use of such an inspection form such as following will facilitate collecting information to the point required for proper analysis and diagnosis.
| Note this form is a standard sample. The form should be modified according to conditions and characteristic of each market. |
Example: customer problem inspection form


Visual inspection
Prior to diagnosis using the mode select switch or sds, perform the following visual inspections. The reason for visual inspection is that mechanical failures (such as oil leakage) cannot be displayed on the screen with the use of mode select switch or sds.
Fail-safe function table
Malfunction code and defective condition tableCooling fan inspection
Cooling fan operating temperature
standard
(on → off): approx. 100 ?‹C (212 ƒ‹f)
(off → on): approx. 105 ?‹C (221 ƒ‹f)
Inspect the cooling fan in the following procedures:
disconnect the cooling fan motor coupler (1).
Test the cooling fan motor for load ...
Conrod and crankshaft inspection
Refer to “engine bottom side disassembly” (page 1d-
49).
Refer to “engine bottom side assembly” .
Conrod small end I.D.
Measure the conrod small end inside diameter using the
small bore gauge.
If the conrod small end inside diameter exceeds the
service limit, replace the conrod.
Special ...
Diagnostic information and procedures
Engine lubrication symptom diagnosis
Oil pressure check
Check the engine oil pressure periodically. This will give
a good indication of the condition of the moving parts.
Note
before checking the oil pressure, check the
following.
Oil level (refer to “engine oil and fi ...